Abaixo está uma instrução que descreve uma tarefa de geração de SQL, combinada com uma entrada que fornece mais contexto sobre os esquemas de tabela disponíveis. Escreva o código SQL que responda adequadamente à solicitação
 ###Instrução: Quem é o diretor executivo da extensão de Lemery, Batangas?
 ###Tabelas: CREATE TABLE campuses (campuses_id AUTO_INCREMENT PRIMARY KEY, Campus VARCHAR, Executive Director VARCHAR, Founded INT, Type VARCHAR, Location VARCHAR) CREATE TABLE ap_poll (ap_poll_id AUTO_INCREMENT PRIMARY KEY, Preseason VARCHAR, Week 1 Aug 26 VARCHAR, Week 2 Sept 2 VARCHAR, Week 3 Sept 8 VARCHAR, Week 4 Sept 15 VARCHAR, Week 5 Sept 22 VARCHAR, Week 6 Sept 29 VARCHAR, Week 7 Oct 6 VARCHAR, Week 8 Oct 13 VARCHAR, Week 9 Oct 20 VARCHAR, Week 10 Oct 27 VARCHAR, Week 11 Nov 3 VARCHAR, Week 12 Nov 10 VARCHAR, Week 13 Nov 17 VARCHAR, Week 14 Nov 24 VARCHAR, Week 15 Dec 1 VARCHAR, Week 16 Dec 8 VARCHAR, Week 17 (Final) Jan 4 VARCHAR) CREATE TABLE member_schools (member_schools_id AUTO_INCREMENT PRIMARY KEY, Institution VARCHAR, Nickname VARCHAR, Location VARCHAR, Founded INT, Joined ACC INT, School Type VARCHAR, ACC Football Titles INT) CREATE TABLE semi-pro_seasons_1987-1993 (semi-pro_seasons_1987-1993_id AUTO_INCREMENT PRIMARY KEY, Season INT, Winners VARCHAR, Total wins INT, Runners-up VARCHAR, Third-place VARCHAR, Number of clubs INT) CREATE TABLE overlap_between_multiple_social_network_services (overlap_between_multiple_social_network_services_id AUTO_INCREMENT PRIMARY KEY, Site VARCHAR, Bebo INT, Facebook INT, Friendster INT, LinkedIn INT, MySpace INT, Ning INT, Orkut INT, Plaxo INT)  
SELECT Executive Director FROM campuses WHERE Type = extension AND Location = lemery, batangas